CONTENTS VII 



Electromotive behaviour (The) of magnesium. II. 395. 



Electro-viscous effect (The) in rubbersol. 43. 



Embryo (Thymus, spiracular sense organ and fenestra vestibuli (ovalis) in 



a 63 m. m. long) of Heptanchus cinereus. 727. 

 Episternum (On the development of the shoulder-girdle and) in reptiles. 15. 

 Equilibria (In-, mono- and divariant). XXIII. 283. XXIV. 719. 

 Erophila verna (Cytological investigations on apogamy in some element- 

 ary species of). 349. 

 Etapteris Bertrandi Scott, a new etapteris from the upper carboniferous 



(lower coal-measures) from England, and its bearing to stelar-morpho- 



logical questions. 669. 

 Ethyl alcohol (The photo-catalytic influence of some series of ketones 



on the light oxidation of). 443. 

 Ethylene (Researches on the addition of water to) and propylene. 321. 

 Euler's constant (On). 316. 

 Faults (Fractures and) near the surface of moving geanticlines. III. The 



horizontal movement of the Central-Atlantic ridge. 167. 

 Fauna (On the) of the phosphatic deposits in Twente (Lower oligocene). 235. 

 Fernandes (D. S.). A method of simultaneously studying the absorption 



of Oo and the discharge of C Oo in respiratiton. 408. 

 Field theory (On a non-symmetrical affine). 850. 



Fishes (On tertiary marine deposits with fossil) from South Celebes. 159. 

 Flieringa (H. J.) and J. VAN der Hoeve. Determination of the power 



of the accommodation-muscle. 763. 

 Flu (P. C). On the bacteriophage and the self-purification of water. 116. 

 Fluid (On the resistance experienced by a) in turbulent motion. 582. 

 Foetus (A partial) removed from a child. 493. 

 Forebrain (The) of Apteryx Australis. 807. 

 Fractures and faults near the surface of moving geanticlines. III. The 



horizontal movement of the Central-Atlantic ridge. 167. 

 Functions (On the points of continuity of). 187. 

 Fungia fungites (Experimental budding in). 88. 

 Gadolinium sulphate (On the determination of the magnetisation at very 



low temperatures and on the susceptibility of) in the region of tempe 



ratures obtainable with liquid hydrogen. 613. 



— (On the magnetisation of) at temperatures obtainable with liquid 

 helium. 626. 



— (Measurements of magnetic permeabilities of chromium chloride and) 

 at the boiling point of liquid hydrogen in alternating fields of frequency 

 369.000 per second. 840. 



Galvanometer (The string) in wireless telegraphy. 635. 



